Suported FTDI devices include: UART and GPIO bridges FT232R (single port, 3Mbps) FT230X/FT231X/FT234X/ (single port, 3Mbps) UART, GPIO and multi-serial protocols (SPI, I2C, JTAG) bridges FT2232C/D (dual port, clock up to 6 MHz) FT232H (single port, clock up to 30 MHz) FT2232H (dual port, clock up to 30 MHz) FT4232H (quad port, clock up to 30 MHz)